334578140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1286839}}^1$

素因数の和:1286861

約数の個数: 24

約数和(自身を含む): 756661920

約数和(自身を除く): 422083780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1286839, 2573678, 5147356, 6434195, 12868390, 16728907, 25736780, 33457814, 66915628, 83644535, 167289070, 334578140]

約数ペア:

[(1, 334578140), (2, 167289070), (4, 83644535), (5, 66915628), (10, 33457814), (13, 25736780), (20, 16728907), (26, 12868390), (52, 6434195), (65, 5147356), (130, 2573678), (260, 1286839)]